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/* SPDX-License-Identifier: GPL-2.0-or-later */
#include <bootblock_common.h>
#include <device/pci.h>
#include <FsptUpd.h>
#include <intelblocks/fast_spi.h>
#include <intelblocks/tco.h>
#include <soc/iomap.h>
#include <console/console.h>
#include <cpu/x86/mtrr.h>
#include <intelblocks/lpc_lib.h>
#include <security/intel/cbnt/cbnt.h>
#include <soc/pci_devs.h>
#include <soc/bootblock.h>
#include <fsp/util.h>
const FSPT_UPD temp_ram_init_params = {
.FspUpdHeader = {
.Signature = FSPT_UPD_SIGNATURE,
.Revision = 1,
.Reserved = {0},
},
.FsptCoreUpd = {
.MicrocodeRegionBase = (UINT32)CONFIG_CPU_MICROCODE_CBFS_LOC,
.MicrocodeRegionLength = (UINT32)CONFIG_CPU_MICROCODE_CBFS_LEN,
.CodeRegionBase = (UINT32)CACHE_ROM_BASE,
.CodeRegionLength = (UINT32)CACHE_ROM_SIZE,
.Reserved1 = {0},
},
.FsptConfig = {
.FsptPort80RouteDisable = 0,
.ReservedTempRamInitUpd = {0},
},
.UnusedUpdSpace0 = {0},
.UpdTerminator = 0x55AA,
};
static uint64_t assembly_timestamp;
static uint64_t bootblock_timestamp;
asmlinkage void bootblock_c_entry(uint64_t base_timestamp)
{
/*
* FSP-T does not respect its own API and trashes registers
* coreboot uses to store its initial timestamp.
*/
assembly_timestamp = base_timestamp;
bootblock_timestamp = timestamp_get();
fast_spi_cache_bios_region();
bootblock_main_with_basetime(MIN(assembly_timestamp, bootblock_timestamp));
}
void bootblock_soc_early_init(void)
{
fast_spi_early_init(SPI_BASE_ADDRESS);
pch_enable_lpc();
/* Set up P2SB BAR. This is needed for PCR to work */
uint8_t p2sb_cmd = pci_s_read_config8(PCH_DEV_P2SB, PCI_COMMAND);
pci_s_write_config8(PCH_DEV_P2SB, PCI_COMMAND, p2sb_cmd | PCI_COMMAND_MEMORY);
pci_s_write_config32(PCH_DEV_P2SB, PCI_BASE_ADDRESS_0, CONFIG_PCR_BASE_ADDRESS);
}
void bootblock_soc_init(void)
{
if (assembly_timestamp > bootblock_timestamp)
printk(BIOS_WARNING, "Invalid initial timestamp detected\n");
if (CONFIG(FSP_CAR))
report_fspt_output();
if (CONFIG(INTEL_CBNT_LOGGING))
intel_cbnt_log_registers();
bootblock_pch_init();
/* Programming TCO_BASE_ADDRESS and TCO Timer Halt */
tco_configure();
}
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